Issued Patents 2019
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10476259 | Power conversion device and method for determining operational state of breaking device | Toshiaki Okumura, Koichi Takeshita, Fumio Urakawa, Shinjirou Shinada, Tadatsugu Udono | 2019-11-12 |
| 10461625 | Power conversion device and control method for same | Toshiaki Okumura | 2019-10-29 |
| 10411501 | Power supply device and switch control method therefor | Tetsuo Akita | 2019-09-10 |
| 10355519 | Power supply unit and method for backfeed protection thereof | Tetsuo Akita, Koichi Takeshita, Tomohiro Yamaguchi | 2019-07-16 |
| 10355620 | Conversion device | Toshiaki Okumura, Tetsuo Akita, Kenji Abiru | 2019-07-16 |
| 10348190 | Conversion device for converting voltage in a non-insulated manner and method for controlling the same | Yusuke Shimizu, Tetsuo Akita, Toshiaki Okumura | 2019-07-09 |
| 10340814 | Gate-blocking a DC/DC converter based upon output current of an AC reactor in a power conversion device | Yusuke Shimizu, Tetsuo Akita | 2019-07-02 |
| 10284113 | Power conversion device performing DC/AC power conversion via intermediate bus, and control method thereof | — | 2019-05-07 |
| 10277036 | Inverter device | Kenji Abiru, Toshiaki Okumura | 2019-04-30 |
| 10193434 | Power conversion device and three-phase AC power supply device | Toshiaki Okumura | 2019-01-29 |